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| Communist Party of Spain (8th and 9th Congresses) | |
| Native Name: | Partido Comunista de España (VIII y IX Congresos) |
| Split: | Communist Party of Spain |
| Headquarters: | Madrid |
| Merged: | PCEU |
| Ideology: | Communism Marxism-Leninism Pro-Soviet Union |
| Position: | Left-wing |
| Country: | Spain |
| Abbreviation: | PCE (VIII-IX) |
The Communist Party of Spain (8th and 9th Congresses) (in Spanish: Partido Comunista de España (VIII y IX Congresos)) was a pro-Soviet splinter group of Communist Party of Spain (PCE).
PCE (VIII-IX) was one of many groups that broke away from PCE during the period when Santiago Carrillo held the post of PCE general secretary and directed the party towards Eurocommunism; it was founded in 1971. A prominent leader of the new party was Agustín Gómez. It published a magazine called Mundo Obrero (same name as the publication of PCE).
In 1980 PCE (VIII-IX) fused with Workers' Communist Party to form the Unified Communist Party of Spain. PCEU was later instrumental in creating the Communist Party of the Peoples of Spain in 1982.